Lanthanide ion-induced hydrolyses of alkyl esters and amides of α-amino acids

Tohru Takarada, Rei Takahashi, Mono Yashiro, Makoto Komiyama

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Lanthanide ion-induced hydrolyses of methyl esters, ethyl esters, and amides of α-amino acids were systematically studied. In the hydrolysis of the alklyl esters, all the lanthanide ions are effective and the catalytic activities decrease in the order Ce(III), Nd(III) > Sm(III) > Eu(III) > Gd(III), Ce(IV) > Pr(III) > Dy(III), Tb(III), Er(III), Ho(III) Tm(III) > La(III), Lu(III), Yb(III). For the hydrolysis of the amides, however, the Ce(IV) ion is overwhelmingly more active than other lanthanide(III) and non-lanthanide ions. The results are interpreted in terms of the difference in the rate-limiting step for these two reactions.

Original languageEnglish
Pages (from-to)41-46
Number of pages6
JournalJournal of Physical Organic Chemistry
Volume11
Issue number1
DOIs
Publication statusPublished - Jan 1 1998
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Organic Chemistry

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